Lake St. Clair Water Temperature

Looking for a great spot to relax, enjoy the sunshine, go fishing and enjoy a great vacation? Visit one of the many cities on the shores of Lake St. Clair! Situated on the border between the United States (Michigan) and Canada’s province of Ontario, the fresh water Lake St. Clair was named after Claire of Assissi.

The water is tested regularly to make sure it’s free of chemicals and pollution, since it’s part of the important chain of Great Lakes.

Lake St. Clair is a city close to Lake St. Clair. July is the month with the warmest water temperature at 83.5°F / 28.6°C. The coolest month is February with an avg. water temperature of 32°F / 0°C. September is the sunniest at 0in / 0.9mm and January the wettest month with 1.9in / 47.3mm. The average air temperature is around 74.3°F / 23.5°C, July is the hottest month in a year. January is the coolest with 24.1°F / -4.4°C average air temperature. Hot-summer humid continental climate would be the climate here. July, August, June, September would be the best time to visit.

Lake St. Clair Summary

Description Value
Warmest Month Water Temperature: July with 83.5°F / 28.6°C
Coldest Month Water Temperature: February with 32°F / 0°C
Warmest Month Air Temperature: July with 74.3°F / 23.5°C
Coldest Month Air Temperature: January with 24.1°F / -4.4°C
Wettest Month: January with 1.9in / 47.3mm
Driest Month: September with 0in / 0.9mm
Highest Humidity December with 78.8%
Lowest Humidity July with 69%
Best Time to Visit: July, August, June, September
Climate Classification Hot-summer humid continental climate

Lake St. Clair water temperature by month

Lake St. Clair water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

32.7 32.2 32

February

32 32 32

March

35.2 32.9 32

April

57.2 44.8 35.2

May

77.5 64.4 54.3

June

83.5 74.8 67.5

July

84.7 79.3 73.8

August

84.6 77.5 72.5

September

80.2 70.3 62.4

October

65.5 56.3 49.1

November

49.8 44.8 39.4

December

39.6 35.1 32.7

Lake St. Clair water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

0.4 0.1 0

February

0 0 0

March

1.8 0.5 0

April

14 7.1 1.8

May

25.3 18 12.4

June

28.6 23.8 19.7

July

29.3 26.3 23.2

August

29.2 25.3 22.5

September

26.8 21.3 16.9

October

18.6 13.5 9.5

November

9.9 7.1 4.1

December

4.2 1.7 0.4

The hottest water temperature typically reached in July with around 83.5°F / 28.6°C. The coldest in February with an average water temperature of 32°F / 0°C.

Side from the breath-taking view of the water, you can go fishing for bass, trout and other fresh water fish or enjoy swimming on a hot summer day.

There are certain government websites with information about Lake St. Claire which you can find simply by googling them: there you can find information such as buoy location and shallow waters, which is important if you’ll be driving a boat.

By visiting lakestclaire.net you can read up in forums about the current lake temperature. In the summertime, Lake St. Claire’s temperature can be between 30°F and 45°F depending on the depth of the water and how much sun is shining on the surface area of the water, thereby making it warmer.


Lake St. Clair weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jan. 15
Scattered clouds
67 °F
39°F
20 °C
4°C
2mph (3km/h)
south-southwest
0in (2mm)
65 %
83%
Jan. 16
Broken clouds
57 °F
47°F
14 °C
8°C
2mph (4km/h)
west
0in (0mm)
0 %
72%
Jan. 17
Broken clouds
61 °F
41°F
16 °C
5°C
1mph (2km/h)
south
0in (0mm)
0 %
62%
Jan. 18
Scattered clouds
63 °F
47°F
17 °C
8°C
2mph (3km/h)
northwest
0in (0mm)
0 %
61%
Jan. 19
Clear Sky
68 °F
45°F
20 °C
7°C
1mph (2km/h)
east-southeast
0in (0mm)
0 %
50%
Jan. 20
Scattered clouds
72 °F
47°F
22 °C
9°C
1mph (1km/h)
east-northeast
0in (0mm)
0 %
49%
Jan. 21
Broken clouds
78 °F
51°F
26 °C
11°C
2mph (3km/h)
south-southwest
0in (0mm)
0 %
55%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jan. 22
Overcast clouds
78 °F
57°F
26 °C
14°C
2mph (3km/h)
west-southwest
0in (0mm)
0 %
72%
Jan. 23
Overcast clouds
73 °F
59°F
23 °C
15°C
3mph (4km/h)
south
0in (3mm)
50 %
84%
Jan. 24
Overcast clouds
71 °F
59°F
22 °C
15°C
2mph (3km/h)
south-southeast
0in (1mm)
30 %
89%
Jan. 25
Overcast clouds
64 °F
56°F
18 °C
14°C
2mph (3km/h)
northwest
0in (0mm)
0 %
79%
Jan. 26
Broken clouds
43 °F
60°F
6 °C
15°C
2mph (4km/h)
west-northwest
0in (0mm)
10 %
69%
Jan. 27
Overcast clouds
51 °F
58°F
11 °C
14°C
4mph (6km/h)
northeast
0in (0mm)
10 %
71%
Jan. 28
Scattered clouds
64 °F
41°F
18 °C
5°C
3mph (4km/h)
south-southeast
0in (0mm)
0 %
65%
Jan. 29
Few clouds
43 °F
31°F
6 °C
-1°C
5mph (8km/h)
north-northwest
0in (0mm)
0 %
42%
Jan. 30
Clear Sky
51 °F
30°F
11 °C
-1°C
2mph (3km/h)
north-northwest
0in (0mm)
0 %
35%

Lake St. Clair weather by month / climate table

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

32.9 24.1 13.5 1.9 0 77.7%

February

33.6 24.8 17.1 1.5 0 77.5%

March

44.6 32 19.9 0.4 1 76%

April

57.4 45.1 34 0.4 3 72%

May

74.5 59.5 49.8 1.6 3 71.3%

June

79.7 69.6 59.4 0.8 4 70.4%

July

82 74.3 67.5 1.2 1 69%

August

81.5 73 66.4 1 0 72%

September

78.1 66.7 55.8 0 0 73.6%

October

64.6 53.8 43.7 0.3 0 74.6%

November

51.4 42.1 33.4 0.6 0 75.9%

December

39.7 31.3 24.4 1.7 1 78.8%

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

0.5 -4.4 -10.3 47.3 0 77.7%

February

0.9 -4 -8.3 38.9 0 77.5%

March

7 0 -6.7 10.7 1 76%

April

14.1 7.3 1.1 10.5 3 72%

May

23.6 15.3 9.9 39.6 3 71.3%

June

26.5 20.9 15.2 19.7 4 70.4%

July

27.8 23.5 19.7 30.1 1 69%

August

27.5 22.8 19.1 25.4 0 72%

September

25.6 19.3 13.2 0.9 0 73.6%

October

18.1 12.1 6.5 7.9 0 74.6%

November

10.8 5.6 0.8 15.6 0 75.9%

December

4.3 -0.4 -4.2 42.9 1 78.8%
September is the most draught at 0in / 0.9mm and January the month with the most rain around 1.9in / 47.3mm. The avg. temperature is around 74.3°F / 23.5°C, July is the hottest month in a year. January is the coolest with 24.1°F / -4.4°C avg. temperature.

Activities & POI in Lake St. Clair

Type of Activity List
Attraction Lafayette Coney Island, American Coney Island, Detroit Industrial Gallery, Heidelberg Project, Bankle Building, Geodesic Dome House, Guardian Building
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